.check-box {
  position: relative;
  width: .2rem;
  height: .2rem;
  border-radius: 50%;

  .check-input[type="checkbox"] {
    position: absolute;
    top: 5px;
    height: 5px;
    visibility: hidden;
  }

  .fa-check {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: .2rem;
    height: .2rem;
    background-color: #ccc;
    border-radius: 50%;
    text-align: center;
    line-height: .2rem;
    color: #fff;
    overflow: hidden;
  }

  .check-input[type="checkbox"]:checked + label {
    background-color: #f40;
  }

  
}